ok , have changed maps before , and i was wondering , is it possible to to get advanced lane guidance working on the go 710 may be nave core change or not ?

if not any recommendations ? only need uk on the tomtom
ok the details are

serial ak### c####

app 7.900 (9180/081021) os : 2341

gps v 1.21

boot 5.5022

map: Western and central 825_2158

thanks badlade